We remove the heater, ventilation and air conditioning control unit to replace backlight lamps, repair and replace the unit itself
Remove the lining of the instrument panel console and the overlay of the instrument panel console.
Removing the radio (article - Removing the electronic components of a Renault Duster car)

Using a Torx T-20 wrench, unscrew the two screws securing the control unit

We push the block into the opening of the instrument panel, removing the two pins of the block from the holes in the instrument panel

And move the block holders from the ledges of the instrument panel

Displaying the block from the dashboard
To replace the unit backlight

Turn counterclockwise to remove the lamp
Install the new lamp in reverse order.
We also replace another block illumination lamp.

We press the lever lock with our finger and pry the rod with a screwdriver

Disconnect the rod end from the temperature control lever

Use a screwdriver to pry the shell of the thrust

Remove the thrust shell from the holder on the block

Use a screwdriver to press the latch of the rod end, press the second latch with your finger

We remove the thrust shell from the holder on the block, while simultaneously removing the thrust tip from the recirculation damper drive lever.

Push the lock of the wire block

Disconnect the block from the connector of the control unit

Squeezing the lever lock with your finger, disconnect the rod end from the control valve drive lever

Remove the thrust shell from the holder on the block

Remove the control unit.
Install the control unit in reverse order.